CVE-2018-8822 Information

Description

Incorrect buffer length handling in the ncp_read_kernel function in fs/ncpfs/ncplib_kernel.c in the Linux kernel through 4.15.11 and in drivers/staging/ncpfs/ncplib_kernel.c in the Linux kernel 4.16-rc through 4.16-rc6 could be exploited by malicious NCPFS servers to crash the kernel or execute code.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/103476 https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html https://usn.ubuntu.com/3653-1/ https://usn.ubuntu.com/3653-2/ https://usn.ubuntu.com/3654-1/ https://usn.ubuntu.com/3654-2/ https://usn.ubuntu.com/3655-1/ https://usn.ubuntu.com/3655-2/ https://usn.ubuntu.com/3656-1/ https://usn.ubuntu.com/3657-1/ https://www.debian.org/security/2018/dsa-4187 https://www.debian.org/security/2018/dsa-4188 https://www.mail-archive.com/netdev@vger.kernel.org/msg223373.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8